<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>无标题文档</title>
<style>
.box{
	width:100px;
	height:100px;
	background:url(img/周冬雨.jpg);
	/*background-size: 100%;*/
	border:5px solid #000; 
	resize:both; 
	overflow:auto;
}
</style>
</head>
<body>
<div class="box"></div>
</body>
</html>
